Adds pipes with restricted connections, and several useful valves.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
I'd really like to be able to set the overflow threshold. Can this be added as a circuit network feature? (Also, if we can set the pumping rate via network, that would be awesome.)
It's not feasible to change the overflow threshold on the fly, nor is it practical to change pump rate.